The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| Event typeevent_type | Heavy Rain |
|---|---|
| NOAA NCEI event IDncei_event_id | 472,635 |
| Episode IDepisode_id | 78,576 |
| Begin UTCbegin_utc | 2013-10-04T21:28:00+00:00 |
| End UTCend_utc | 2013-10-04T21:28:00+00:00 |
| Statestate | IOWA |
| County/zone typecz_type | C |
| County/zone namecz_name | POWESHIEK |
| Latitudelat | 41.750 |
| Longitudelon | -92.710 |
| End latitudeend_lat | 41.750 |
| End longitudeend_lon | -92.710 |
| Deaths directdeaths_direct | 0 |
| Deaths indirectdeaths_indirect | 0 |
| Injuries directinjuries_direct | 0 |
| Injuries indirectinjuries_indirect | 0 |
| Damage propertydamage_property | 0.00K |
| Damage cropsdamage_crops | 0.00K |
| Weather forecast office sourcewfo_source | Trained Spotter |
| Episode narrativeepisode_narrative | A very dynamic weather pattern was set up over Iowa during the afternoon of the 4th into the evening hours. A closed upper low was located to west of Iowa with a negatively tilted trough lifting northeast through the state. A strong area of low pressure developed at the surface over south central Nebraska. The surface low moved north into southeast South Dakota during the evening and overnight hours. A cold front from the low advanced across the state as the low lifted. In addition, several boundaries were present during the mid afternoon hours. An outflow boundary extended east to west along the Iowa-Missouri border, with the synoptic warm front extending east to west across northern Iowa. The atmosphere was very unstable with most unstable CAPE values of 2000 to 3000 J/kg pushing into Iowa from the south. Downdraft CAPE was between 600 and 1000 J/kg. Lifted indices along and south of the southern boundary were between -5 and -10 C. The atmosphere was strongly sheared with 50 kts of effective shear available. With the boundary remaining over southern Iowa through the afternoon, the LCL level was quite low, between 500 and 1000 meters. Very high precipitable water values of 1.5 inches were present. The freezing level was quite high for early October at 13,000 to 13,500 feet. CAPE available in the -10 to -30 C layer of the atmosphere was between 400 and 800 J/kg. An initial round of thunderstorms developed north of the warm front during the mid afternoon hours. They produced heavy rain and some small hail. The largest hail was penny size in Dallas County. Storms produced heavy rainfall as well with 1.2 inches falling northeast of Grinnell in a short period of time. The next wave of thunderstorms developed over north central Iowa. The storms produced hail and reports of one to one and one half inch diameter hail occurred with them. As the dry line moved toward the state, a line of strong thunderstorms developed over west central into north central Iowa. Severe weather was quite limited however. Golf ball size hail was reported in Calhoun County south of Pomeroy, and high winds caused considerable damage in the Lone Rock area of Kossuth County. In addition, winds near 85 MPH downed high tension power poles along Highway 15 south of Fenton. |
| Event narrativeevent_narrative | A total of 1.2 inches of rain fell from late morning into early afternoon thunderstorms. |
| Yearyear | 2,013 |
Provenance
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